king to bring artists into the movement, convinced the likes of joan baez, paul newman, marlon brando. but one of the first calls was to old friend and supporte eer y bennett. >> i didn't want to do it but then he told me what was going down. when blacks were burned, gasoline thrown on them, and they were burned. when i said that, i said i'll go with you. >> and that black/white divide, white faces would see your face. what do you think they thought about you? >> that you are a god damned traitor. there was a spirit. we decided we would march right through it, no matter what. >> reporter: after a federal court affirmed the right to march against the government and national guard troops ordered to protect marchers, protesters grew from 600 to 25,000. to ral oath crowd, the artists came forth. but one problem. >> we found out we didn't have a stage and somebody came up with a -- a funeral parlor. and how many caskets were there? >> i think the number were 50 to 80 caskets. >> reporter: 50 to 80 coffins? >> yes. >> reporter: how did you feel the stage was built on coffins? >> well, it wa